Lamp



FIG. 1 is a side elevation view of a lamp showing my new design, the opposite side being a mirror image thereof;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an enlarged fragmentary view showing the detail of the surface of the lens portion of the lamp of FIG. 2;

FIG. 4 is a front elevation view thereof, the rear view being a mirror image of that shown; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a lamp, substantially as shown and described. 